1. Annelid
2. Mollusca
3. Cnidaria
4. Echinodermata
Echinodermata
1. Fishes were amphibious in the past
2. Fishes evolved from frog-like ancestors
3. Frogs will have gills in future
4. Frogs evolved from gilled ancestors
Frogs evolved from gilled ancestors
1. Homeothermy
2. Presence of diaphragm
3. Four chambered heart
4. Rib cage
Presence of diaphragm
1. Radial
2. Biradial
3. Bilateral
4. Spherical
Biradial
1. Lytta
2. Tachardia lacca
3. Antheraea assama
4. Bombyx mori
Tachardia lacca
1. Tapeworm, hookworm, silkworm
2. Papillio, xenopsylla, musca
3. Physalia, solen, teredo
4. Starfish, catfish cryfish
Papillio, xenopsylla, musca
1. Vertebral column
2. A movable jaw
3. Pharyngeal gill slits
4. Two pairs of pentadactyl limbs
Pharyngeal gill slits
1. Coelomate, spiny, marine
2. Coelomate, horny, marine
3. Acoleomate, soiny, fresh water
4. Joint legged, marine
Coelomate, spiny, marine
1. If both are true with reason being correct explanation
2. Both true but reason is not correct explanation
3. Assertion true but reason is wrong
4. Both are wrong
Assertion true but reason is wrong
1. Nephridia
2. Ventral nerve cord
3. Cephalisaton
4. Antennae
Ventral nerve cord